jon: harris faulkner -- >> reporter: whatever. heather: and i would be glad to be harris. well, a groundbreaking medical procedure, a pacemaker for your brain. doctors at johns hopkins university are the first to perform the surgery. they have performed one surgery so far. the goal is to stimulate the brain much like pacemakers do for the heart. >> what's exciting is our understanding of how memory works fits well with how this surgery might work. what we're hoping to see is improved memory and that people don't decline as fast as they would without the treatment. heather: our guest, dr. richard fur shine, he is the director of ther if shine center for comprehensive medicine. thank us. >> thank you. heather: so how hopeful should alzheimer's patients be looking at this procedure? >> well, i think this is a breakthrough and, you know, what we're seeing right now, one case at johns hopkins where this implantable pacemaker was put in, 70,000 people have had a similar type of pacemaker put in for parkinson's, and there are already six patients who have had this treatment in ca